Donald Trump has become the first US President to actively use his personal Twitter channel regardless of any US public diplomacy strategy, with a direct impact on the public policies defined by the US government and the White House.

The first year of Trump has been less damaging to the multilateral trade system than was originally feared, but has also allowed us to see that the US Administration maintains a clear interest in isolating itself increasingly from the rest of the world.

Jessica Almqvist. ARI 71/2017 - 18/9/2017.

The US threat of budget cuts or other means of reducing the importance of the United Nations highlights the need for a more independent and balanced organisation through the reinvigorated role of other powers, such as the EU.

Lara Lázaro. Expert Comment 29/2017 - 6/6/2017.

The message from world leaders is clear: there is no intention of abandoning an agreement that has taken over five years to negotiate. The world will move forwards towards a low-carbon future despite Trump’s efforts to hold it back.